Emma D’Arcy as Rhaenyra Targaryen in House of the Dragon season 3 episode 7. Bethany Antonia as Baela Targaryen, Phoebe Campbell as Rhaena Targaryen in House of the Dragon season 3 episode 7. Phoebe Campbell as Rhaena Targaryen, Matt Smith as Daemon Targaryen in House of the Dragon season 3 episode 7. Whether that was worth the sadly disappointing mess that the show made of Rhaena, Nettles, and Sheepstealer's story, only time will tell. The House of the Dragon season 3 finale premieres this Sunday on HBO and HBO Max.